<template>
  <div class="login">
<div class="particle" style="width:100px;height:100px;top:10%;left:10%;" ></div>
<div class="particle" style="width:80px;height:80px;bottom:10%;left:25%;" ></div>
   <div class="login-wrapper">
   <!-- 左侧：图片区域 -->
      <div class="login-l">
        <img src="../assets/images/login_bg-km.jpg" alt="Login Background" style="width:100%" />
        <h2 class="text-700">智能物联管理平台</h2>
        <p class="text-gray-400">打造智能化、数字化的物联网管理解决方案</p>
      </div>

      <!-- 右侧：登录表单 -->
      <div class="login-r">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
          <h2 class="title">欢迎登录</h2>
          <p style="color: rgba(107, 114, 128, 0.8)">请输入您的账号信息</p>
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="账号"
            >
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="code" v-if="captchaEnabled">
            <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img"/>
            </div>
          </el-form-item>
          <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
          <el-form-item style="width:100%;">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div style="float: right;" v-if="register">
              <router-link class="link-type" :to="'/register'">立即注册</router-link>
            </div>
          </el-form-item>
        </el-form>
      </div>
    </div> 
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2024 Jiangsu qianlue information technology Co. Ltd All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() { 
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>
//background-image:url("../assets/images/login-background.jpg")
// linear-gradient(135deg,#1a1f35,#2a3149)
<style rel="stylesheet/scss" lang="scss">
@keyframes float-348274e1 {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0);
  }
}
.particle{
  position:absolute;
  background:#ffffff1a;
  border-radius:50%;
  animation: float-348274e1 6s infinite ease-in-out;
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background: linear-gradient(135deg,#1a1f35,#2a3149);
  background-size: cover;
}
.title {
 
  text-align: center;
  color: black;
  font-size:700;
  width:100%;
}
.login-wrapper
{
  display:flex;
  max-width:70%;
  width:90%;
  border-radius: 20px;
  overflow:hidden; 
  margin: 40px auto;
}
.login-l
{
backdrop-filter:blur(10px);
 width: 600px;
 padding:40px;
 background:#ffffff08;
 color:#fff;
 text-align:center;
} 
.login-r{
  width: 100%; 
  max-width: 500px;  
  overflow: hidden; 
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
}
.login-form {
  background: #ffffff; 
  height: 100%;
  padding: 70px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  } 
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.flex-1{
  flex:1 1 0%;
  }
  .text-gray-400{
  color:rgba(107, 114, 128, 0.8);

  }
  .text-700{
  font-weight:700;
  }


.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
